(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers ...
A SIM card lock, however, prevents the scammer from gaining access to the SIM and the carrier's network through it. How to activate and modify a SIM card lock on an Android phone Setting up a SIM ...
GSM phones can be "locked", that is made to accept only SIM cards belonging to a specific network. Typically, this is done so that phones will work only on the network of the carrier. SIM-locked ...
it's likely that your phone is network locked. Each option varies in reliability, with switching the SIM card being the most effective way to tell the phone’s carrier lock status. There are ...